Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.01620985219
Darker point darker score: -1.08438846266
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE3ML0W24YFNL
darker: 2 (eq: False, dd: False), confidence: 2, worker: AWO91BEOHNOJB
darker: 2 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XA2WJ50VR7KQ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A28910KJWKMQMO (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)